Home / 6,258.76-8,623.19-4,130.51

Finding the Fourth Proportional to 6,258.76, 8,623.19 and 4,130.51

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Solution

The fourth proportional to 6,258.76, 8,623.19 and 4,130.51 is: 5,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.76 : 8,623.19 = 4,130.51 : x
  2. Step 2: Convert to fraction form
    6,258.76/8,623.19 = 4,130.51/x
  3. Step 3: Cross multiply
    6,258.76x = 8,623.19 × 4,130.51
  4. Step 4: Simplify right side
    6,258.76x = 35,618,139.74
  5. Step 5: Solve for x
    x = 35,618,139.74/6,258.76
  6. Step 6: Final answer
    x = 5,690.93

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Find fourth proportional to 3,129.38, 4,311.60 and 2,065.25
Half scale
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Double scale
Find fourth proportional to 6,259.76, 8,624.57 and 4,131.51
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.